the previous year. it's also more than the 295 u.s. combat deaths in afghanistan in2012.defensesecretaryleon panetta has called the problem of military suicide an epidemic. afghan president hamid karzai called today for a loya jirga-- or grand assembly-- to decide whether u.s. troops should be immune from afghan laws. the u.s. has said it needs sole legal jurisdiction over any troops who stay, after combat forces leave at the end of 2014. in a kabul speech, karzai said it would take about eight or nine months to come to a decision. it is a decision of the people of afghanistan. the national assembly of elders of the people of afghanistan should decide whether to give the i am unity or not. if they give it, under which conditions they should do so. but the americans told us that if you do not give us the i am unity, we have to leave afghanistan for good. and won't have any relationship with you. >> sreenivasan: karzai said the u.s. has agreed to his demands to respect afghan sovereignty. he discussed the issues with president obama in washington on friday. mass protests were held in isla

-made lake, provided the electric power to thecaliforniadefenseplantsthat helped win world war 12. hoover dam is one of countless examples of the kind of public works that defined america. from the erie canal to the transcontinental railroad, to the interstate highway system. such project its sim-- symbolized the nation's ambition and enterprise. >> we used to be the most efficient place to move people and goods in the world. gave us an enormous economic advantage. and that's because our parents and great grandparents built these great ports and airports and so forth. >> but that was then. this is now. across the industrialized world in places like china and germany, high speed railroads and gleaming new airports, and here in the united states? an infrastructure so outdated that it will take some 2 toy-- 2.2 trillion to fix it, according to the american society of civil nears: -- engineers. there are many reasons behind this grim picture but one reason some experts tell us is how long it takes to approve such projects. >> if you want to understand what's happening, or what is to the happe